package controllers;

import helpers.PaginatorHelper;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import models.UserModel;

import entities.User;

public class AuthorListServlet extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws IOException, ServletException {
		
		//Get lasetst news and paginator
		int page = 1;
		try {
			page = Integer.parseInt((String) request.getParameter("page"));
		} catch (Exception e) {}
		
		boolean nextPage = false;
		boolean prevPage = false;
		int limit = 20;
		
		UserModel userModel = UserModel.getInstance();
		List<User> authors = userModel.list(page, limit);
		
		if (authors.size() == limit) {
			nextPage = true;
		}
		
		if (page > 1) {
			prevPage = true;
		}
		
		//Get paginate
		String queryString = request.getQueryString();
		String requestURI = request.getRequestURI();
		PaginatorHelper paginator = new PaginatorHelper(queryString);
		paginator.setUrl(requestURI);
		
		request.setAttribute("authors", authors);
		request.setAttribute("paginator", paginator);
		request.setAttribute("prevPage", prevPage);
		request.setAttribute("nextPage", nextPage);
		request.setAttribute("page", page);
		try {
			request.getRequestDispatcher("/pages/authors_list.jsp").forward(request, response);
		} catch (ServletException e) {
			e.printStackTrace();
		}
	}
}
